OFFSET
1,1
COMMENTS
Column 4 of A263799
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
FORMULA
Empirical: a(n) = a(n-1) +9*a(n-2) -9*a(n-3) -36*a(n-4) +36*a(n-5) +84*a(n-6) -84*a(n-7) -126*a(n-8) +126*a(n-9) +126*a(n-10) -126*a(n-11) -84*a(n-12) +84*a(n-13) +36*a(n-14) -36*a(n-15) -9*a(n-16) +9*a(n-17) +a(n-18) -a(n-19)
EXAMPLE
Some solutions for n=5
..1..1..0..0..0....0..0..0..0..0....1..1..1..1..0....1..1..0..0..0
..1..1..0..0..0....0..0..0..0..0....1..1..1..1..0....1..1..0..0..0
..1..1..0..0..0....0..0..0..0..0....1..1..0..0..0....1..1..0..0..0
..1..1..0..0..0....0..0..0..0..0....1..1..0..0..0....1..1..0..0..0
..1..1..0..0..0....0..0..0..0..0....0..0..1..1..0....0..0..0..0..0
..1..1..0..0..0....0..0..0..0..0....0..0..1..1..0....0..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 26 2015
STATUS
approved